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SSA RAID ADAPTER RESTRICTED to RAID 5 with OVER 2GB OF RAM



Subject: SSA RAID ADAPTER RESTRICTED to RAID 5 with OVER 2GB OF RAM
New Netfinity server RETAIN Tip: 

    Record number:       H165049
    Device:              D/T8651
    Model:               M
    Hit count:           UHC00000
    Success count:       USC0000
    Publication code:    PC50
    Tip key:
    Date created:        O98/10/13
    Date last altered:   A98/10/28
    Owning B.U.:         USA


Abstract: SSA RAID ADAPTER RESTRICTED to RAID 5 WITH OVER 2GB OF RAM


SYMPTOM:

System crash (including NT bluescreen or NetWare abend), system hang, garbled video, other unpredictable results.


PROBLEM ISOLATION AIDS:


FIX:

This restriction will be removed in a future SSA RAID adapter.


WORKAROUND:


DETAILS:

A 2 GB memory limit shall be observed on all servers with the IBM SSA RAID Adapter for PC Servers (except RAID 5 use) or IBM SSA RAID Cluster Adapter installed.
On server systems with greater than 2 GB of memory installed, the use of either:

  1.  JBOD (single disks), RAID 0, or RAID 1 on the SSA RAID Adapter for PC Servers,

      -- or --

  2.  JBOD or RAID 1 on the SSA RAID Cluster Adapter will cause unpredictable results and is not supported by IBM.


TRADEMARKS:

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Microsoft, Windows, Windows NT, and the Windows logo are trademarks of Microsoft Corporation in the United States and/or other countries.


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